clocksource: Long readout interval, skipping watchdog check: cs_nsec: 87997106641 wd_nsec: 87997108661
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=88b4/1/0x4000000000000000 softirq=17622/17623 fqs=4707
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:   942658          7            0
rcu: 	cputime:    24864      27625          101   ==> 52490(ms)
rcu: 	(t=10500 jiffies g=9809 q=1868 ncpus=2)
CPU: 1 UID: 0 PID: 6760 Comm: syz.2.386 Not tainted 6.16.0-rc6-syzkaller-00411-g95993dc3039e-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:_raw_spin_unlock_irqrestore+0xa8/0x110
Code: 74 05 e8 cb 9e 56 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 13 cd 1f f6 65 8b 05 bc f9 2e 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900001e0c20 EFLAGS: 00000206
RAX: 19ebb1cd495c7b00 RBX: 0000000000000a06 RCX: 19ebb1cd495c7b00
RDX: 0000000000000002 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc900001e0ca0 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: dffffc0000000000
R13: ffff8881124e6f08 R14: ffff888039ed9648 R15: 1ffff9200003c184
FS:  00007f014359b6c0(0000) GS:ffff8881a3c1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f014357ad58 CR3: 0000000110dd6000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 skb_dequeue+0x10e/0x150
 ieee80211_handle_queued_frames+0x4a/0x1f0
 tasklet_action_common+0x36c/0x580
 handle_softirqs+0x286/0x870
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_irq_work+0xa3/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x1a/0x20
RIP: 0010:preempt_schedule_irq+0xb0/0x150
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 8b 2d 21 f6 e8 c6 00 58 f6 fb bf 01 00 00 00 <e8> 1b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0018:ffffc900074c6f60 EFLAGS: 00000286
RAX: 19ebb1cd495c7b00 RBX: 0000000000000000 RCX: 19ebb1cd495c7b00
RDX: 0000000000000006 RSI: ffffffff8d99883e RDI: 0000000000000001
RBP: ffffc900074c7010 R08: ffffffff8fa1e8f7 R09: 1ffffffff1f43d1e
R10: dffffc0000000000 R11: fffffbfff1f43d1f R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000e98dec
 irqentry_exit+0x6f/0x90
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:get_stack_info_noinstr+0x0/0x130
Code: c7 20 1c 85 8b e8 e0 49 00 00 65 c6 05 c2 b6 31 07 00 eb 9a cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 41 57 41 56 41 55 41 54 53 49 89 d6 49 89 f4 49 89 ff
RSP: 0018:ffffc900074c70d0 EFLAGS: 00000282
RAX: 1ffff92000e98e34 RBX: ffffc900074c7188 RCX: ffffc900074c7188
RDX: ffffc900074c7168 RSI: ffff888021960000 RDI: ffffc900074c7108
RBP: ffffc900074c7101 R08: ffffc900074c71c7 R09: 0000000000000000
R10: ffffc900074c7168 R11: fffff52000e98e39 R12: ffffc900074c7108
R13: ffffc900074c7188 R14: ffffc900074c7168 R15: ffff888021960000
 get_stack_info+0x3b/0xf0
 __unwind_start+0x43f/0x760
 arch_stack_walk+0xe4/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 kasan_save_free_info+0x46/0x50
 __kasan_slab_free+0x62/0x70
 kmem_cache_free+0x18f/0x400
 sctp_queue_purge_ulpevents+0xa2/0x130
 sctp_ulpq_tail_event+0x4c7/0xb70
 do_ulpq_tail_event+0x109/0x160
 sctp_datamsg_put+0x329/0x540
 sctp_chunk_free+0x4a/0x60
 __sctp_outq_teardown+0x7ab/0x9a0
 sctp_association_free+0x240/0x7f0
 sctp_do_sm+0x3eba/0x5a20
 sctp_primitive_SHUTDOWN+0x98/0xc0
 sctp_close+0x409/0x900
 inet_release+0x144/0x190
 sock_close+0xc3/0x240
 __fput+0x44c/0xa70
 task_work_run+0x1d4/0x260
 exit_to_user_mode_loop+0xec/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f014278e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f014359b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: 0000000000000001 RBX: 00007f01429b5fa0 RCX: 00007f014278e9a9
RDX: 0000000000000040 RSI: 00002000000007c0 RDI: 000000000000000a
RBP: 00007f0142810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f01429b5fa0 R15: 00007ffde3934248
 </TASK>
sched: DL replenish lagged too much
